I M Abhay Sir M 28yr Old.my Problem Is Lot

i m abhay sir m 28yr old.my problem is lot first of all i want to tell you i m a student and i m very depressed i want to study but i am not able to concentrate on my study.i have problem of anxiety, social phobia,lack of confidence,tension,inability to control anger,frequent crying spell and very imp is that i have very much attraction in opposite sex so please sir tell me how I overcome from these problems